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<li class="navelem"><a class="el" href="dir_3c80010775d22af2067790ecc9cdcf9d.html">librf</a></li><li class="navelem"><a class="el" href="dir_54ae0e78d997f6903cdf0996223d047f.html">src</a></li>  </ul>
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<div class="title">yield.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="keyword">namespace </span>resumef</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;{</div>
<div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="structresumef_1_1yield__awaitor.html">    8</a></span>&#160;    <span class="keyword">struct </span><a class="code" href="structresumef_1_1yield__awaitor.html">yield_awaitor</a></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;    {</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;        <span class="keyword">using</span> value_type = void;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;        <span class="keyword">using</span> <a class="code" href="structresumef_1_1state__t.html">state_type</a> = <a class="code" href="structresumef_1_1state__t.html">state_t&lt;value_type&gt;</a>;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;        <span class="keyword">using</span> promise_type = promise_t&lt;value_type&gt;;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;        <span class="keyword">using</span> lock_type = <span class="keyword">typename</span> <a class="code" href="structresumef_1_1spinlock.html">state_type::lock_type</a>;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;        <span class="keywordtype">bool</span> await_ready() <span class="keyword">const</span> noexcept</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;        {</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        }</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">class</span> _PromiseT, <span class="keyword">typename</span> = std::enable_if_t&lt;traits::is_promise_v&lt;_PromiseT&gt;&gt;&gt;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;        <span class="keywordtype">bool</span> await_suspend(coroutine_handle&lt;_PromiseT&gt; handler)</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;        {</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;            <a class="code" href="structresumef_1_1counted__ptr.html">counted_ptr&lt;state_t&lt;void&gt;</a>&gt; _state = state_future_t::_Alloc_state&lt;state_type&gt;(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;            _state-&gt;set_value();</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;            _state-&gt;future_await_suspend(handler);</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;        }</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keywordtype">void</span> await_resume() <span class="keyword">const</span> noexcept</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        }</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#ifdef DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keyword">static</span> <a class="code" href="structresumef_1_1yield__awaitor.html">yield_awaitor</a> <a class="code" href="structresumef_1_1yield__awaitor.html#a25aa400aefa4bb8c2b61a190b0a7cdda">yield</a>() noexcept;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#endif  //DOXYGEN_SKIP_PROPERTY</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    };</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keyword">inline</span> <a class="code" href="structresumef_1_1yield__awaitor.html">yield_awaitor</a> yield() noexcept</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    {</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    }</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div>
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<div class="ttc" id="astructresumef_1_1yield__awaitor_html"><div class="ttname"><a href="structresumef_1_1yield__awaitor.html">resumef::yield_awaitor</a></div><div class="ttdoc">将本协程让渡出一次调用的可等待对象。</div><div class="ttdef"><b>Definition:</b> yield.h:8</div></div>
<div class="ttc" id="astructresumef_1_1counted__ptr_html"><div class="ttname"><a href="structresumef_1_1counted__ptr.html">resumef::counted_ptr</a></div><div class="ttdoc">专用与state的智能计数指针，通过管理state内嵌的引用计数来管理state的生存期。</div><div class="ttdef"><b>Definition:</b> counted_ptr.h:9</div></div>
<div class="ttc" id="astructresumef_1_1spinlock_html"><div class="ttname"><a href="structresumef_1_1spinlock.html">resumef::spinlock</a></div><div class="ttdoc">一个自旋锁实现。</div><div class="ttdef"><b>Definition:</b> spinlock.h:14</div></div>
<div class="ttc" id="astructresumef_1_1state__t_html"><div class="ttname"><a href="structresumef_1_1state__t.html">resumef::state_t</a></div><div class="ttdoc">专用于future_t&lt;&gt;的state类。</div><div class="ttdef"><b>Definition:</b> state.h:217</div></div>
<div class="ttc" id="astructresumef_1_1yield__awaitor_html_a25aa400aefa4bb8c2b61a190b0a7cdda"><div class="ttname"><a href="structresumef_1_1yield__awaitor.html#a25aa400aefa4bb8c2b61a190b0a7cdda">resumef::yield_awaitor::yield</a></div><div class="ttdeci">static yield_awaitor yield() noexcept</div><div class="ttdoc">将本协程让渡出一次调用的可等待对象。</div></div>
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